There are still 138,000 bitcoins in the Mentougou wallet address, which is close to 10 billion US dollars.
So do you remember what happened in the Mentougou incident?
Mentougou was founded in 2010 and was once the world's largest Bitcoin trading platform, accounting for 70%. Then in 2014, about 800,000 bitcoins were stolen, and then Mentougou declared bankruptcy.